Note 7 - Fair Value Measurements and Fair Value of Financial Instruments (Details Textual) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Financing Receivable, Held-for-Sale | $ 10,222 | $ 391 |
| Collateral Pledged [Member] | ||
| Impaired Financing Receivable, with Related Allowance, Recorded Investment 1 | 10,000 | 800 |
| Impaired Financing Receivable, Related Allowance 1 | 200 | 100 |
| SBA Loans [Member] | Fair Value, Inputs, Level 2 [Member] | ||
| Financing Receivable, Held-for-Sale | 10,200 | |
| Residential Portfolio Segment [Member] | ||
| Financing Receivable, Held-for-Sale | $ 0 | $ 391 |